7534 Group
Rev.2.00 Jun 21, 2004 page 47 of 54
REJ03B0099-0200Z
Table 16 Differences among 32-pin, 36-pin and 42-pin (SFR)
Register (Address)
Port P1/Direction
(02
16
/03
16
)
Port P2/Direction
(04
16
/05
16
)
Port P3/Direction
(06
16
/07
16
)
Port P4/Direction
(08
16
/09
16
)
Pull-up control
(16
16
)
42-pin SDIP
Bit 7 not available
All bits available
All bits available
Bits 2 to 7 not available
Bit 6 definition:
“P3
5
, P3
6
pull-up control”
Bit 7 definition:
“P3
7
pull-up control”
Bit 0 definition:
“P3
7
/INT
0
input level selection”
Bit 1 definition:
“P3
6
/INT
1
input level selection”
Bits 0 to 2
“Input pins selected by setting these
bits to 000 to 111”
Bit 0 definition
“INT
0
interrupt edge selection”
Bit 1 definition
“INT
1
interrupt edge selection”
Bit 4 definition
“Serial I/O1, INT
1
interrupt selection”
Bit 1 definition
“UART transmission, USB (except IN),
INT
1
”
Bit 2 definition
“INT
0
”
Bit 1 definition
“UART transmission, USB (except IN),
INT
1
”
Bit 2 definition
“INT
0
”
36-pin SSOP
Bits 5 to 7 not available
All bits available
Bit 6 not available
All bits not available
Bit 6 definition:
“P3
5
pull-up control”
Bit 7 definition:
“P3
7
pull-up control”
Bit 0 definition:
“P3
7
/INT
0
input level selection”
Bit 1 not available
Bits 0 to 2
“Input pins selected by setting these
bits to 000 to 111”
Bit 0 definition
“INT
0
interrupt edge selection”
Bits 1 and 4 not available
Bit 1 definition
“UART transmission, USB (except IN)”
Bit 2 definition
“INT
0
”
Bit 1 definition
“UART transmission, USB (except IN)”
Bit 2 definition
“INT
0
”
32-pin LQFP
Bits 5 to 7 not available
Bits 6 and 7 not available
Bits 5 to 7 not available
All bits not available
Bits 6 and 7 not available
Bits 0 and 1 not available
Bits 0 to 2
“Input pins selected by setting these
bits to 000 to 101”
Bits 0, 1 and 4 not available
Bit 1 definition
“UART transmission, USB (except IN)”
Bit 2 not available
Bit 1 definition
“UART transmission, USB (except IN)”
Bit 2 not available
Additionally, there are differences of SFR usage and functional defi-
nitions.
Port P1P3 control
(17
16
)
A/DControl
(34
16
)
Interrupt edge
selection
(3A
16
)
Interrupt request
(3C
16
)
Interrupt control
(3E
16
)